Portable spray unit



FIG. 1 is a front perspective view of a portable spray unit showing mynew design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is an end elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is an end elevational view of the side opposite that shown inFIG. 4; and,

FIG. 7 is a top plan view thereof.

The ornamental design for a portable spray unit, as shown and described.